package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2];
            return R.error(msg+"已经存在");
        }
        return R.error("添加失败了");
    }

    //处理自定义异常
    @ExceptionHandler(CustomException.class)
    public R<String> customExceptionHandler(CustomException ex){
        return R.error(ex.getMessage());
    }
  //异常
    @ExceptionHandler(Exception.class)
    public R<String> otherExceptionHandler(Exception ex){
        ex.printStackTrace();
        System.out.println("ex.getCause().toString() = " + ex.getCause().toString());
        return R.error("系统繁忙");
    }
}
